Method testSet

test/netstd/Server/TestServer.cs:349–372

(HashSet<int>? thing, CancellationToken cancellationToken)

            }

            public Task<HashSet<int>> testSet(HashSet<int>? thing, CancellationToken cancellationToken)
            {
                var sb = new StringBuilder();
                sb.Append("testSet({{");
                if (thing != null)
                {
                    var first = true;
                    foreach (int elem in thing)
                    {
                        if (first)
                        {
                            first = false;
                        }
                        else
                        {
                            sb.Append(", ");
                        }
                        sb.AppendFormat("{0}", elem);
                    }
                }
                sb.Append("}})");
                logger.Invoke(sb.ToString());
                return Task.FromResult(thing ?? []);   // null returns are not allowed in Thrift
            }

            public Task<List<int>> testList(List<int>? thing, CancellationToken cancellationToken)
            {